4572493 has 4 divisors (see below), whose sum is σ = 4591708. Its totient is φ = 4553280.

The previous prime is 4572487. The next prime is 4572509. The reversal of 4572493 is 3942754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3942754 = 2 ⋅1971377.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 2022084 = 1597^2 + 1422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4572493 is a prime.

It is a Duffinian number.

4572493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4572433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9246 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (1147927).

Almost surely, 2^4572493 is an apocalyptic number.

It is an amenable number.

4572493 is a deficient number, since it is larger than the sum of its proper divisors (19215).

4572493 is a wasteful number, since it uses less digits than its factorization.

4572493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19214.

The product of its digits is 30240, while the sum is 34.

The square root of 4572493 is about 2138.3388412504. The cubic root of 4572493 is about 165.9781870017.

The spelling of 4572493 in words is "four million, five hundred seventy-two thousand, four hundred ninety-three".